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Add more conversion tests for trimming wholly outside of the available media range

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Vanilagy
2026-09-08 17:20:14 +02:00
parent 450c5def97
commit 6e6785e5fc
2 changed files with 150 additions and 6 deletions
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src/conversion.ts
+21 -4
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@@ -1781,8 +1781,16 @@ export class Conversion {
break;
}
const adjustedSampleTimestamp = Math.max(0, sample.timestamp + this._timestampOffset);
sample.setTimestamp(adjustedSampleTimestamp);
const clampedStartTimestamp = Math.max(this._startTimestamp, sample.timestamp);
const clampedEndTimestamp = Math.min(this._endTimestamp, sample.timestamp + sample.duration);
if (clampedStartTimestamp >= clampedEndTimestamp) {
// Wholly out of the trim region
continue;
}
sample.setTimestamp(clampedStartTimestamp + this._timestampOffset);
sample.setDuration(clampedEndTimestamp - clampedStartTimestamp);
this._reportProgress(outputTrackId, sample.timestamp + sample.duration);
await source.add(sample);
@@ -1874,8 +1882,17 @@ export class Conversion {
if (
startPacket
&& startPacket.timestamp < this._startTimestamp
&& this._copyBoundaryPolicy === 'shrink'
&& (
(
this._copyBoundaryPolicy === 'shrink'
&& startPacket.timestamp < this._startTimestamp
)
|| (
this._copyBoundaryPolicy === 'expand'
// Check if packet is wholly before the start
&& startPacket.timestamp + startPacket.duration <= this._startTimestamp
)
)
) {
startPacket = await sink.getNextKeyPacket(startPacket);
}